Time of flight mass spectrometry provides new possibilities of substance identification by
determination of the molecular formula from accurate molecular mass and isotope pattern …

In this work, we have focused on the profiling of 5647 street samples covering marijuana,
common and new recreational illicit drugs. All samples were analyzed using gas …

Drug screening is an important issue in clinical and forensic toxicology. Gas
chromatography coupled to mass spectrometry (GC–MS) remains the gold standard …

A toxicology laboratory often receives a high number of samples from cases (autopsies or
clinical) that may require the quick delivery of trustworthy, accurate results. Thus, there is a …

Objective Validation of a non-targeted method for urine drug screening (UDS) by liquid
chromatography quadrupole time-of-flight mass spectrometry (LC-QTOF), and comparison to …

The advent of new not yet legally regulated psychoactive substances sold over the Internet
has created a challenge for clinical toxicology and drug testing laboratories. The routine use …

The most severe consequences of drug abuse include infectious diseases, overdoses, and
drug‐related deaths. As the range of toxicologically relevant compounds is continually …

Designer benzodiazepines (DBZDs) have become of particular importance in the past few
years. The metabolite monitoring of DBZD in biological fluids could be of great interest in …

An automated solid-phase extraction (SPE) protocol followed by gas chromatography
coupled with tandem mass spectrometry was developed for quantification of caffeine …

Toxicology laboratories commonly employ immunoassay methodologies to perform an initial
drug screen on urine specimens to direct confirmatory testing. Due to limitations of …